Configuring Intelligent Traffic Steering

CloudCampus Solution V100R019C10 Deployment Guide for Large- and Medium-Sized Campus Networks (Non-virtualization Scenario)

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Context

To improve reliability of Internet access, the egress of a campus network is usually connected to different carrier networks. In multi-egress traffic steering scenarios, you are advised to use the ISP-based traffic steering function. This function enables traffic to be forwarded based on carriers, so that traffic destined for different carrier networks is forwarded through the corresponding outbound interfaces, optimizing the traffic forwarding path.

Plan Example

Table 5-17 Health check plan

Device	Name of a Health Check Task	Health Check Source IP Address	Protocol	Destination IP Address to Be Detected	Port	Outbound Interface	Other Parameters	Remarks
FW-a	isp1_health	192.0.2.2	Simple TCP	192.0.2.1	1000	GE1/0/4	Default	Check whether the link to ISP1 is normal.
FW-a	isp2_health	198.51.100.2	Simple TCP	198.51.100.1	1000	GE1/0/5	Default	Check whether the link to ISP2 is normal.
FW-b	isp1_health	192.0.2.3	Simple TCP	192.0.2.1	1000	GE1/0/4	Default	Check whether the link to ISP1 is normal.
FW-b	isp2_health	198.51.100.3	Simple TCP	198.51.100.1	1000	GE1/0/5	Default	Check whether the link to ISP2 is normal.

Table 5-18 Carrier address library plan

Device	Carrier Address Library Name	Address Library File	Remarks
FW-a	isp1	isp1.csv	The carrier address library can be obtained from the corresponding carrier, and the format must be the same as the template.
FW-a	isp2	isp2.csv
FW-b	isp1	isp1.csv
FW-b	isp2	isp2.csv

Table 5-19 Multi-egress plan for the interfaces connecting to carrier networks

Device	Interface	Carrier	Carrier Route	Default Route	Health Check Task	Remarks
FW-a	GE1/0/4	isp1	Enabled	Enabled	isp1_health	Deploy multi-egress for the interface connected to isp1.
FW-a	GE1/0/5	isp2	Enabled	Enabled	isp2_health	Deploy multi-egress for the interface connected to isp2.
FW-b	GE1/0/4	isp1	Enabled	Enabled	isp1_health	Deploy multi-egress for the interface connected to isp1.
FW-b	GE1/0/5	isp2	Enabled	Enabled	isp2_health	Deploy multi-egress for the interface connected to isp2.

Procedure

Choose Object > Health Check. In the Health Check List area, click Add to configure health check.
Choose Network > Route > Intelligent Uplink Selection. Click the Carrier Address Library tab, and then click Import.
Choose Network > Interface. Click in the row of the interface to be configured, and configure multi-egress options for the interface.